Based on research into:
theories of how students learnDemonstrated to improve:
conceptual understanding,
problem-solving skills,
lab skills,
beliefs and attitudes,
attendance,
retention of students,
success of underrepresented groups,
performance in subsequent classesStudied using:
cycle of research and redevelopment,
student interviews,
classroom observations,
analysis of written work,
research at multiple institutions,
research by multiple groups,
peer-reviewed publication